| MAMelbourne Architectural Mill Work | Melbourne | FL | — | ◇ UNVERIFIED |
| MHMemphis Hardwood Flooring | Memphis | TN | — | ◇ UNVERIFIED |
| MIMenard, INC. | Eau Claire | WI | — | ◇ UNVERIFIED |
| MDMenards Distribution Center | Eau Claire | WI | — | ◇ UNVERIFIED |
| MLMenzner Lumber and Supply Company | Walnut Grove | KY | — | ◇ UNVERIFIED |
| MFMerchants Fixture INC Dba Merchants Fixture | Ashland | VA | — | ◇ UNVERIFIED |
| MWMerrick Woodworking INC | Aurora | CO | — | ◇ UNVERIFIED |
| MBMerritt Brothers Lumber | Athol | ID | — | ◇ UNVERIFIED |
| MWMerritt West LLC | Lodi | CA | — | ◇ UNVERIFIED |
| MWMerritt West LLC | Lodi | CA | — | ◇ UNVERIFIED |
| MLMerutz, LLC | Lockport | IL | — | ◇ UNVERIFIED |
| MBMesa Bioenergy Supply LLC | Auburn | NY | — | ◇ UNVERIFIED |
| MGMetal & Glass Solutions CORP. | Brooklyn | NY | — | ◇ UNVERIFIED |
 Metal Industries, INC. | Clearwater | FL | — | ◇ UNVERIFIED |
| MFMetalline Fire Door Co., INC. | Bronx | NY | — | ◇ UNVERIFIED |
| MPMetal Pro Group Inc | Dover | NJ | — | ◇ UNVERIFIED |
| MPMetal Pro Industries INC | Valencia | CA | — | ◇ UNVERIFIED |
| MSMetal Spray Painting, INC. | Coral Springs | FL | — | ◇ UNVERIFIED |
| MIMetrie INC | Doswell | VA | — | ◇ UNVERIFIED |
| MIMetrie INC | Rocklin | CA | — | ◇ UNVERIFIED |
| MIMetrie INC | Rocklin | CA | — | ◇ UNVERIFIED |
| MWMetropolitan Woodwork | Springfield | NJ | — | ◇ UNVERIFIED |
| MSMetro Screenworks, INC. | Englewood | CO | — | ◇ UNVERIFIED |
| MMMeyer Moulding & Millwork, INC | Modesto | CA | — | ◇ UNVERIFIED |
| MCMf Classic Interior - Nopal | Santa Barbara | CA | — | ◇ UNVERIFIED |
| MWMf Wiggins LLC | Wiggins | MS | — | ◇ UNVERIFIED |
| MIMgm Industries Incorporated | Hendersonville | TN | — | ◇ UNVERIFIED |
| MWMgm Window CO INC | Hendersonville | TN | — | ◇ UNVERIFIED |
| MCMiami CNC Router, LLC | Doral | FL | — | ◇ UNVERIFIED |
| MWMiami Wall Systems, INC. | Hialeah | FL | — | ◇ UNVERIFIED |
| MLMicala Limited | Willoughby | OH | — | ◇ UNVERIFIED |
| MCMichael Chavez Millworks & Cabinetry Inc. | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| MDMichael D. Schoeneman | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| MEMichael Eramo Contracting | Hyde Park | NY | — | ◇ UNVERIFIED |
| MJMichael J Infanti | Lombard | IL | — | ◇ UNVERIFIED |
| MSMichael S Merica & Caryn E Merica | Gold Beach | OR | — | ◇ UNVERIFIED |
| MSMichalangelo Stair Builders | North Easton | MA | — | ◇ UNVERIFIED |
| MCMichigan Components, LLC | Romulus | MI | — | ◇ UNVERIFIED |
| MPMichigan Prestain | Wyoming | MI | — | ◇ UNVERIFIED |
| MWMichigan Wood Fuels LLC | Holland | MI | — | ◇ UNVERIFIED |
| MWMichigan Wood Pellet | Grayling | MI | — | ◇ UNVERIFIED |
| MAMid America Frame Incorporated | Plattsburg | MO | — | ◇ UNVERIFIED |
| MAMid Atlantic Fiber Supply | Jarratt | VA | — | ◇ UNVERIFIED |
| MAMid Atlantic Milling INC. | White Sulphur Springs | WV | — | ◇ UNVERIFIED |
| MCMid Central Door Company INC | Waite Park | MN | — | ◇ UNVERIFIED |
| MCMid Columbia Lumber Products LLC | Madras | OR | — | ◇ UNVERIFIED |
| MMMiddletons Mouldings | Bronson | MI | — | ◇ UNVERIFIED |
| MMMiddletons Mouldings | Coldwater | MI | — | ◇ UNVERIFIED |
| MGMidland Garage Door Manufacturing Company | West Fargo | ND | — | ◇ UNVERIFIED |
| MGMidland Garage Door Manufacturing Company | Chaska | MN | — | ◇ UNVERIFIED |
| MSMid South Lumber and Supply | Vicksburg | MS | — | ◇ UNVERIFIED |
| MBMidwest Building Components INC. | Springfield | MO | — | ◇ UNVERIFIED |
| MCMidwest Curtainwalls | Cuyahoga Heights | OH | — | ◇ UNVERIFIED |
| MFMidwest Fabrication & Welding, LLC | Tipton | IA | — | ◇ UNVERIFIED |
| MHMidwest Hardwood CORP Dba Little Rivers Dry Kiln | Cadiz | KY | — | ◇ UNVERIFIED |
| MHMidwest Hardwood Corporation | Westby | WI | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing | Holiday City | OH | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing | Sullivan | MO | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing a Division of Menards INC. | Plano | IL | — | ◇ UNVERIFIED |
| MPMidwest Prefinishing INC | Middleton | WI | — | ◇ UNVERIFIED |
| MTMidwest Tops INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| MWMidwest Window and Door | Springfield | MO | — | ◇ UNVERIFIED |
| MWMidwest Woodturners LLC | Spring Valley | WI | — | ◇ UNVERIFIED |
| MCMielach Company | Edison | NJ | — | ◇ UNVERIFIED |
| MRMiguel Rivera | Dallas | TX | — | ◇ UNVERIFIED |
| MMMilan Manufacture, INC. | Hialeah Gardens | FL | — | ◇ UNVERIFIED |
| MTMilano Tile & Marble INC. | Sebring | FL | — | ◇ UNVERIFIED |
| MBMilco Building Products, INC. | Swainsboro | GA | — | ◇ UNVERIFIED |
| MMMilgard Manufacturing INC | Temecula | CA | — | ◇ UNVERIFIED |
| MMMilgard Mfg INC | Tacoma | WA | — | ◇ UNVERIFIED |
| MHMilitary Highway Recycling | Chesapeake | VA | — | ◇ UNVERIFIED |
| MWMillco Woodworking LLC | Hall | NY | — | ◇ UNVERIFIED |
| MMMillcreek Millworks, INC. | Youngstown | OH | — | ◇ UNVERIFIED |
| MCMill Creek Shutters & Shades LLC | Logan | UT | — | ◇ UNVERIFIED |
| MSMillenium Shutters | Sarasota | FL | — | ◇ UNVERIFIED |
| MDMillennium Doors and Windows Inc | Isabela | PR | — | ◇ UNVERIFIED |
| MDMillennium Doors and Windows Inc. | Isabela | PR | — | ◇ UNVERIFIED |
| MBMiller Bee Supply, INC. | North Wilkesboro | NC | — | ◇ UNVERIFIED |
| MCMiller & Company INC | Selma | AL | — | ◇ UNVERIFIED |
| MCMiller & Company, INC. | York | AL | — | ◇ UNVERIFIED |
| MCMiller Custom Woodworking & Refinishing | Mechanicstown | OH | — | ◇ UNVERIFIED |
| MDMiller Door and Trim, INC. | Goshen | IN | — | ◇ UNVERIFIED |
| MDMiller Door & Trim Incorporated | Goshen | IN | — | ◇ UNVERIFIED |
| MWMiller Wood Supply, LLC | Leetsdale | PA | — | ◇ UNVERIFIED |
| MMMilliken Millwork INC | Sterling Heights | MI | — | ◇ UNVERIFIED |
| MIMillrock INC | Sanford | ME | — | ◇ UNVERIFIED |
| MAMills & Assoc | Bradenton | FL | — | ◇ UNVERIFIED |
| MSMill Services INC | Cobleskill | NY | — | ◇ UNVERIFIED |
| MEMillwork Expressions, INC. | Duluth | GA | — | ◇ UNVERIFIED |
| MSMillwork Solutions Ny, INC. | Brooklyn | NY | — | ◇ UNVERIFIED |
| MGMilton & Goose LLC | Stamford | CT | — | ◇ UNVERIFIED |
| MSMinnesota Sawdust & Shavings CO INC | Sauk Centre | MN | — | ◇ UNVERIFIED |
| MWMinocqua Wood Products, LLC | Minocqua | WI | — | ◇ UNVERIFIED |
| MMMiramar Mfg, INC. | Ventura | CA | — | ◇ UNVERIFIED |
| MCMission Custom Shutters INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| MPMission Planing Mill | San Antonio | TX | — | ◇ UNVERIFIED |
| MFMissouri Fibre Corporation Chip Mill | Scott City | MO | — | ◇ UNVERIFIED |
| MHMissouri Hardwood Flooring | Birch Tree | MO | — | ◇ UNVERIFIED |
| MMMitchells Mulch and Composting Facility | Mitchells | VA | — | ◇ UNVERIFIED |
| MWMi Windows and Doors | Carrollton | TX | — | ◇ UNVERIFIED |
